SPAX PowerLag washer head lag screws, 1/4" x 5" (500 ea) with bit
Washer head lag screws with patented thread serration for faster drive and reduced wood splitting. Heat-treated for durability with strong pull-through values. Includes a bit, though some customers note compatibility varies
Highlights
- patented thread serration
- heat treated for strength
- ICC-ES recognized for structural use
Pros
- thread serration for faster drive
- corrosion-resistant
- heat-treated for durability
- large selection of code-recognized fasteners
- bit included
Cons
- bit inclusion discussed variably by customers
- some users note needing a special bit
Best For
Features
- Patented thread serration enables faster driving and reduced wood splitting
- Heat-treated Grade 5 durability enhances strength and reduces breakage
- ICC-ES listed T-Star drive with six-lobe engagement for easier bit fit
- Largest selection of code-recognized structural wood-to-wood fasteners available
